Service manual
Table Of Contents
- DNG DC Inverter Series
- LIST OF EFFECTIVE PAGES
- TABLE OF CONTENTS
- INTRODUCTION
- PRODUCT DATA SHEET
- RATING CONDITIONS
- OUTLINE DIMENSIONS
- PERFORMANCE DATA & PRESSURE CURVES
- AIRFLOW CURVES
- SOUND LEVEL CHARACTERISTICS
- ELECTRICAL DATA
- WIRING DIAGRAMS
- REFRIGERATION DIAGRAMS
- TUBING CONNECTIONS
- CONTROL SYSTEM
- TROUBLESHOOTING
- EXPLODED VIEWS AND SPARE PARTS LISTS
- APPENDIX A
2-3
PRODUCT DATA SHEET
SM DNGDCI 2-E.1 GB
2.3 DNG72 DCI
Model Indoor Unit DNG 72 DCI
Model Outdoor Unit DCI 72 R410A
Installation Method of Pipe Flared
Characteristics Units Cooling Heating
Capacity
(1)
Btu/hr 23200(5460-27300) 25930(6140-30030)
kW 6.8(1.6-8.0) 7.6(1.8-8.8)
Power input
(1)
kW 2.26(0.55 - 2.68) 2.08(0.5 - 2.5)
EER (Cooling) or COP(Heating)
(1)
W/W 3.01 3.65
Energy efficiency class B A
Power supply V/Ph/Hz 220-240V/Single/50Hz
Rated current A 9.8 9.0
Starting current A 15
Circuit breaker rating A 20
INDOOR
Fan type & quantity Centrifugal x 1
Fan speeds H/M/L RPM 800/670/550
Air flow
(2)
H/M/L m3/hr 1310/1115/890
External static pressure Min-Max Pa 25-75
Sound power level
(3)
H/M/L dB(A) 65/60/55
Sound pressure level
(4)
H/M/L dB(A) 47/43/38
Moisture removal l/hr 1.53
Condensate drain tube I.D mm 19
Dimensions WxHxD mm 790x256x749
Weight kg 29
Package dimensions WxHxD mm 959x315x854
Packaged weight kg 31
Units per pallet units 6
Stacking height units 6
OUTDOOR
Refrigerant control EEV
Compressor type, model Two Rotary, Mitsubishi TNB220F
Fan type & quantity Propeller(direct) x 1
Fan speeds H/L RPM 850
Air flow H/L m3/hr 3600
Sound power level
(3)
H/L dB(A) 66
Sound pressure level
(4)
H/L dB(A) 56
Dimensions WxHxD mm 950x864x412
Weight kg 65.5
Package dimensions WxHxD mm 1080x910x477
Packaged weight kg 73
Units per pallet Units 2
Stacking height units 2 levels
Refrigerant type R410A
Refrigerant charge (standard connecting
tubing length)
kg(7.5m) 2.4
Additional charge (tubing length 30-50m) Kg 1.8
Connections between units
Liquid line In.(mm) 3/8”(9.53)
Suction line In.(mm) 5/8”(15.88)
Max.tubing
length
m. Max.50
Max.height
difference
m. Max.25
Operation control type Remote control
Heating elements kW
Others
(1) Rating conditions in accordance with ISO 5151 and ISO 13253 (for ducted units).
(2) Airflow in ducted units; at nominal external static pressure.
(3) Sound power in ducted units is measured at air discharge.
(4) Sound pressure level measured at 1.4 meter distance from unit.
CONTENT